/*!
    \file    gd32vf103c_start.h
    \brief   definitions for GD32VF103C_START's leds, keys and COM ports hardware resources

    \version 2019-06-05, V1.0.0, demo for GD32VF103
*/

/*
    Copyright (c) 2019, GigaDevice Semiconductor Inc.

    Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:

    1. Redistributions of source code must retain the above copyright notice, this
       list of conditions and the following disclaimer.
    2. Redistributions in binary form must reproduce the above copyright notice,
       this list of conditions and the following disclaimer in the documentation
       and/or other materials provided with the distribution.
    3. Neither the name of the copyright holder nor the names of its contributors
       may be used to endorse or promote products derived from this software without
       specific prior written permission.

    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/

#ifndef GD32VF103C_RVSTART_H
#define GD32VF103C_RVSTART_H

#ifdef __cplusplus
 extern "C" {
#endif

#include "nuclei_sdk_soc.h"

/* exported types */
typedef enum
{
    LED1 = 0,
    LED2 = 1,
    LED3 = 2,
    LED_1 = 0,
    LED_2 = 1,
    LED_3 = 2
}led_typedef_enum;

typedef enum
{
    KEY_WAKEUP = 0,
}key_typedef_enum;

typedef enum
{
    KEY_MODE_GPIO = 0,
    KEY_MODE_EXTI = 1
}keymode_typedef_enum;


/* rvstar board low layer led */
#define LEDn                             3U

#define LEDG_PIN                         GPIO_PIN_1
#define LEDG_GPIO_PORT                   GPIOA
#define LEDG_GPIO_CLK                    RCU_GPIOA

#define LEDB_PIN                         GPIO_PIN_3
#define LEDB_GPIO_PORT                   GPIOA
#define LEDB_GPIO_CLK                    RCU_GPIOA

#define LEDR_PIN                         GPIO_PIN_2
#define LEDR_GPIO_PORT                   GPIOA
#define LEDR_GPIO_CLK                    RCU_GPIOA

/* rvstar board UART com port */
#define GD32_COM0                        UART4
#define GD32_COM_CLK                     RCU_UART4
#define GD32_COM_TX_PIN                  GPIO_PIN_12
#define GD32_COM_RX_PIN                  GPIO_PIN_2
#define GD32_COM_TX_GPIO_PORT            GPIOC
#define GD32_COM_RX_GPIO_PORT            GPIOD
#define GD32_COM_TX_GPIO_CLK             RCU_GPIOC
#define GD32_COM_RX_GPIO_CLK             RCU_GPIOD

/* rvstar board low layer button */
#define KEYn                             (1U)

/* wakeup push-button */
#define WAKEUP_KEY_PIN                   GPIO_PIN_0
#define WAKEUP_KEY_GPIO_PORT             GPIOA
#define WAKEUP_KEY_GPIO_CLK              RCU_GPIOA
#define WAKEUP_KEY_EXTI_LINE             EXTI_0
#define WAKEUP_KEY_EXTI_PORT_SOURCE      GPIO_PORT_SOURCE_GPIOA
#define WAKEUP_KEY_EXTI_PIN_SOURCE       GPIO_PIN_SOURCE_0
#define WAKEUP_KEY_EXTI_IRQn             EXTI0_IRQn

/* function declarations */
/* configure led GPIO */
void gd_led_init(led_typedef_enum lednum);
/* turn on selected led */
void gd_led_on(led_typedef_enum lednum);
/* turn off selected led */
void gd_led_off(led_typedef_enum lednum);
/* toggle the selected led */
void gd_led_toggle(led_typedef_enum lednum);
/* configure key */
void gd_key_init(key_typedef_enum keynum, keymode_typedef_enum keymode);
/* return the selected key state */
uint8_t gd_key_state_get(key_typedef_enum keynum);
/* configure COM port */
void gd_com_init(uint32_t usart_periph);

/* Defines for LED functions Defines for LED / Key functions to new / general API */
#define gd_rvstar_led_init         gd_led_init
#define gd_rvstar_led_on           gd_led_on
#define gd_rvstar_led_off          gd_led_off
#define gd_rvstar_led_toggle       gd_led_toggle

#define gd_rvstar_key_init         gd_key_init
#define gd_rvstar_key_state_get    gd_key_state_get

#ifdef __cplusplus
}
#endif

#endif /* GD32VF103V_RVSTART_H */

